//
//  smcLinkButton.m
//  juhu
//
//	Copyright (C) 2007 Christian Martick, http://juhu-mac.blogspot.com
//
//	Permission is hereby granted, free of charge, to any person obtaining a copy
//	of this software and associated documentation files (the "Software"), to deal
//	in the Software without restriction, including without limitation the rights
//	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//	copies of the Software, and to permit persons to whom the Software is
//	furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
//	all copies or substantial portions of the Software.
//
//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//	THE SOFTWARE.

// class for hover mouse cursor pointer button

#import "smcLinkButton.h"


@implementation smcLinkButton

- (void)awakeFromNib
{
   [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(frameDidChange:) name: NSViewFrameDidChangeNotification object: self];
   [self setPostsFrameChangedNotifications: YES];
   [self resetTrackingRect];
}

- (void)dealloc
{
   [[NSNotificationCenter defaultCenter] removeObserver:self];
   [self removeTrackingRect: theRect];
   [super dealloc];
}

- (void)frameDidChange: (NSNotification *)notification
{
   if ([notification object] == self)
       [self resetTrackingRect];
}

- (void)resetTrackingRect
{
   if (theRect)
       [self removeTrackingRect: theRect];
	   
   NSRect trackingRectFrame = [self frame];
   trackingRectFrame.origin = NSZeroPoint;
   theRect = [self addTrackingRect: trackingRectFrame owner: self userData: nil assumeInside: NO];
}

- (void)mouseEntered:(NSEvent *)theEvent
{
	//set mouse to hand
	if (![self isHidden])
		[[NSCursor pointingHandCursor] set];
	
	[self setNeedsDisplay:YES];
}

- (void)mouseExited:(NSEvent *)theEvent
{
	[[NSCursor arrowCursor] set];
	[self setNeedsDisplay:YES];
}

@end
